Replace jiti with require (#505)

We can use this since VSCode 1.100.0.

Author: remcohaszing

.changeset/lemon-hats-shop.md

@@ -0,0 +1,5 @@
+---
+'vscode-mdx': patch
+---
+
+Require at least VSCode 1.100.

.changeset/rich-singers-own.md

@@ -0,0 +1,6 @@
+---
+'@mdx-js/typescript-plugin': patch
+'@mdx-js/language-server': patch
+---
+
+Replace jiti with native require.

packages/language-server/lib/index.js

@@ -6,6 +6,7 @@
  */
 
 import assert from 'node:assert'
+import {createRequire} from 'node:module'
 import path from 'node:path'
 import process from 'node:process'
 import {
@@ -19,7 +20,6 @@ import {
   createTypeScriptProject,
   loadTsdkByPath
 } from '@volar/language-server/node.js'
-import {createJiti} from 'jiti'
 import remarkFrontmatter from 'remark-frontmatter'
 import remarkGfm from 'remark-gfm'
 import {create as createMarkdownServicePlugin} from 'volar-service-markdown'
@@ -102,11 +102,12 @@ connection.onInitialize(async (parameters) => {
         undefined,
         tsconfig
       )
-      const jiti = createJiti(tsconfig)
+
+      const require = createRequire(tsconfig)
 
       ;[remarkPlugins, virtualCodePlugins] = resolvePlugins(
         commandLine.raw?.mdx,
-        (name) => jiti(name).default
+        (name) => require(name).default
       )
       checkMdx = Boolean(commandLine.raw?.mdx?.checkMdx)
       jsxImportSource = commandLine.options.jsxImportSource || jsxImportSource

packages/language-server/package.json

@@ -33,7 +33,6 @@
   "dependencies": {
     "@mdx-js/language-service": "0.7.0",
     "@volar/language-server": "~2.4.0",
-    "jiti": "^2.0.0",
     "remark-frontmatter": "^5.0.0",
     "remark-gfm": "^4.0.0",
     "volar-service-markdown": "0.0.64",

packages/typescript-plugin/lib/index.cjs

@@ -4,14 +4,14 @@
  * @import {TsConfigSourceFile} from 'typescript'
  */
 
+const {createRequire} = require('node:module')
 const {
   createMdxLanguagePlugin,
   resolvePlugins
 } = require('@mdx-js/language-service')
 const {
   createLanguageServicePlugin
 } = require('@volar/typescript/lib/quickstart/createLanguageServicePlugin.js')
-const {createJiti} = require('jiti')
 const {default: remarkFrontmatter} = require('remark-frontmatter')
 const {default: remarkGfm} = require('remark-gfm')
 
@@ -41,11 +41,11 @@ const plugin = createLanguageServicePlugin((ts, info) => {
     configFile.fileName
   )
 
-  const jiti = createJiti(configFile.fileName)
+  const require = createRequire(configFile.fileName)
 
   const [remarkPlugins, virtualCodePlugins] = resolvePlugins(
     commandLine.raw?.mdx,
-    (name) => jiti(name).default
+    (name) => require(name).default
   )
 
   return {

packages/typescript-plugin/package.json

@@ -36,7 +36,6 @@
   "dependencies": {
     "@mdx-js/language-service": "0.7.0",
     "@volar/typescript": "~2.4.0",
-    "jiti": "^2.0.0",
     "remark-frontmatter": "^5.0.0",
     "remark-gfm": "^4.0.0"
   },

packages/vscode-mdx/package.json

@@ -20,7 +20,7 @@
   "license": "MIT",
   "private": true,
   "engines": {
-    "vscode": "^1.82.0"
+    "vscode": "^1.100.0"
   },
   "main": "out/extension.js",
   "keywords": [